All names: Gaia DR2 2521108453716503040, Gaia EDR3 2521108453716503040, SDSS J021055.98+070615.8, Gaia DR3 2521108453716503040, GALEX J021055.9+070616
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 10 55.99 (1) | 02 10 55.99 | 02 10 55.99 (1) | 02 10 55.98 (1) | 02 10 55.98 | |||
| Declination | 07 06 15.63 (0.8) | 07 06 15.81 | 07 06 15.64 (1) | 07 06 15.74 (0.8) | 07 06 15.80 | |||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 22591.0 (800) | ||||||
| log(g) | [cgs] | 8.11 (0.1) | ||||||
| Mass | [M☉] | 0.686 (0.07) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 4.03 (1) | 4.12 (1) | 4.03 (1) | ||||
| Distance | [pc] | 247.84 (59) | 242.95 (71) | 247.84 (59) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 4.904497474 (1) | 5.469830886 (3) | 4.904 (1) | ||||
| Proper motion (declination) | [mas/yr] | -6.647549303 (1) | -0.17382552 (3) | -6.648 (1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 20.22 (0.04) | 20.21 (0.04) | 20.21 (0.04) | |||||
| g magnitude | 20.19 (0.02) | 20.16 (0.03) | 20.16 (0.03) | |||||
| r magnitude | 20.57 (0.03) | 20.57 (0.04) | 20.57 (0.04) | |||||
| i magnitude | 20.86 (0.08) | 20.88 (0.09) | 20.88 (0.09) | |||||
| z magnitude | 21.48 (0.4) | 21.41 (0.4) | 21.41 (0.4) | |||||
| G magnitude | 20.35 (0.1) | 20.50 | 20.35 (0.01) | |||||
| BP magnitude | 20.23 (0.1) | 20.33 | ||||||
| RP magnitude | 20.66 (0.2) | 20.59 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.030 | |||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.